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Define function MipsMCInstLower::LowerOperand.

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llvm-svn: 137707
This commit is contained in:
Akira Hatanaka 2011-08-16 02:21:03 +00:00
parent 1e1909b7c8
commit d8865ea155
2 changed files with 29 additions and 25 deletions
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33
lib/Target/Mips/MipsMCInstLower.cpp
View File

@ -83,36 +83,39 @@ MCOperand MipsMCInstLower::LowerSymbolOperand(const MachineOperand &MO,
Ctx));
}
void MipsMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
OutMI.setOpcode(MI->getOpcode());
for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
const MachineOperand &MO = MI->getOperand(i);
MCOperand MCOp;
MCOperand MipsMCInstLower::LowerOperand(const MachineOperand& MO) const {
MachineOperandType MOTy = MO.getType();
switch (MOTy) {
default:
MI->dump();
llvm_unreachable("unknown operand type");
assert(0 && "unknown operand type");
break;
case MachineOperand::MO_Register:
// Ignore all implicit register operands.
if (MO.isImplicit()) continue;
MCOp = MCOperand::CreateReg(MO.getReg());
break;
if (MO.isImplicit()) break;
return MCOperand::CreateReg(MO.getReg());
case MachineOperand::MO_Immediate:
MCOp = MCOperand::CreateImm(MO.getImm());
break;
return MCOperand::CreateImm(MO.getImm());
case MachineOperand::MO_MachineBasicBlock:
case MachineOperand::MO_GlobalAddress:
case MachineOperand::MO_ExternalSymbol:
case MachineOperand::MO_JumpTableIndex:
case MachineOperand::MO_ConstantPoolIndex:
case MachineOperand::MO_BlockAddress:
MCOp = LowerSymbolOperand(MO, MOTy, 0);
break;
return LowerSymbolOperand(MO, MOTy, 0);
}
return MCOperand();
}
void MipsMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
OutMI.setOpcode(MI->getOpcode());
for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
const MachineOperand &MO = MI->getOperand(i);
MCOperand MCOp = LowerOperand(MO);
if (MCOp.isValid())
OutMI.addOperand(MCOp);
}
}

1
lib/Target/Mips/MipsMCInstLower.h
View File

@ -37,6 +37,7 @@ public:
private:
MCOperand LowerSymbolOperand(const MachineOperand &MO,
MachineOperandType MOTy, unsigned Offset) const;
MCOperand LowerOperand(const MachineOperand& MO) const;
};
}